functions.phpからプラグインへ

by Ippei Sumida

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Ippei Sumida 2020.02.26 functions.php͔ΒϓϥάΠϯ΁ ϓϥάΠϯΛ࡞ͬͯΈΑ͏

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ϓϥάΠϯ ςʔϚ functions.php

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ϓϥάΠϯ޲͖ͳΧελϚΠζ   ɹɹςʔϚ޲͖ͳΧελϚΠζ

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• จࣈͷ૷০ • ը૾ͷ૷০ʢnot Ճ޻ʣ • ϨΠΞ΢τͷௐ੔ • ςʔϚݻ༗ͷΧελϜϒϩοΫ • ςʔϚͷઃఆ • ͦͷςʔϚͷΧελϚΠζ ςʔϚ޲͖ ςʔϚʹґଘ

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• ؅ཧը໘ͷΧελϚΠζ • αΠτઃఆɾػೳͷ௥Ճɾมߋ • γϣʔτίʔυ • ΧςΰϦ • ΧελϜϒϩοΫ • REST API • ڞ௨ͳද੍ࣔޚ • ͦͷαΠτͷΧελϚΠζ ϓϥάΠϯ޲͖

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ϓϥάΠϯ ςʔϚ functions.php ςʔϚʹؔΘΔ͜ͱ αΠτʹؔΘΔ͜ͱ

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ϓϥάΠϯ ςʔϚ functions.php ςʔϚʹؔΘΔ͜ͱ αΠτʹؔΘΔ͜ͱ Ͳͬͪʹॻ͍ͯ΋ಈ͘

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ͳͥϓϥάΠϯͳͷ͔

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ςʔϚʹґଘ

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ΧελϚΠζ ͠Α͏ʂ

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ΧελϚΠζ ͠Α͏ʂ functions.php ࡞੒ɾमਖ਼ˍΞοϓϩʔυ

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ΧελϚΠζ ͠Α͏ʂ functions.php

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ΧελϚΠζ ͠Α͏ʂ functions.php ςʔϚA

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ςʔϚม͍͑ͨʂ functions.php ςʔϚA

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ςʔϚม͍͑ͨʂ functions.php ςʔϚB functions.php ςʔϚA

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ςʔϚม͍͑ͨʂ functions.php ςʔϚB functions.php ςʔϚA ΧελϚΠζ͕ফ͑Δʂ

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functions.php ίϐʔʂ functions.php ςʔϚB functions.php ίϐʔ

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functions.php ίϐʔʂ functions.php ςʔϚB functions.php ίϐʔ ςʔϚBݻ༗ͷΧελϚΠζ͕   ফ͑Δʂ

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ΧελϚΠζ ՕॴҠ২ʂ functions.php ςʔϚB functions.php Ҡ২

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ΧελϚΠζ ՕॴҠ২ʂ functions.php ςʔϚB functions.php Ҡ২ ΧελϚΠζͨ͠Օॴ͚ͩ   Ҡ২Ͱ͖Δࣗ৴͋Δʁ

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ΧελϚΠζͯ͠ ࡞ͬͨؔ਺

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ςʔϚͷؔ਺Λ ࢖ͬͯΔ

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ΧελϚΠζ ͠Α͏ʂ plugin.php ࡞੒ɾमਖ਼ˍΞοϓϩʔυ ϓϥάΠϯC

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ΧελϚΠζ ͠Α͏ʂ plugin.php ϓϥ΢ΠϯC

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ςʔϚม͍͑ͨʂ functions.php ςʔϚB functions.php ςʔϚA plugin.php ϓϥ΢ΠϯC αΠτʹӨڹͳ͠

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functions.php͔Β   ϓϥάΠϯ΁

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ྫɿμογϡϘʔυɹɹ ɹɹ΢ΟδΣοτ

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wp-content/themes/some-theme/functions.php

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ϓϥάΠϯ ςʔϚ functions.php μογϡϘʔυͷ΢ΟδΣοτ͸ςʔϚ͕ มΘͬͯ΋දࣔ͠ଓ͚ΔʰαΠτͷΧελϚΠζʱ ςʔϚʹؔΘΔ͜ͱ αΠτʹؔΘΔ͜ͱ

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Ͱ΋Ή͔͍ͣ͠ΜͰ͠ΐʁ

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ϓϥάΠϯ࡞੒ɺ࣮͸͜Μͳʹ؆୯ʂ MajiͰKantan 5εςοϓ 1.ϓϥάΠϯσΟϨΫτϦΛ࡞Δ 2.readme.txtΛࢦఆͷϑΥʔϚοτͰͭ͘Δ 3.[ϓϥάΠϯσΟϨΫτϦ໊].phpʹࢦఆͷϑΥʔϚοτͰίϝϯτΛॻ͘ 4.ίʔυΛॻ͘ •functions.phpͷίʔυΛΧοτˍϖʔετ͢Δ 5.ϓϥάΠϯσΟϨΫτϦΛΞοϓϩʔυ͢Δ •ߋ৽͍ͯ͠Ε͹ɺςʔϚͷfunctions.php΋Ξοϓϩʔυ͢Δ

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1. ϓϥάΠϯσΟϨΫτϦΛ࡞Δ

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wp-content plugins dashboard-widget σΟϨΫτϦΛͭ͘Δʂ ऴ ੍࡞ɾஶ࡞ ━━━━━ ⡹⡲⡼

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•wp-content/plugins/ ʹ͓޷Έͷ໊͓લͰ •খจࣈͱϋΠϑϯͱ਺ࣈͷ૊Έ߹Θ͕ͤແ೉ •ඞͣҰҙʹͳΔΑ͏ʹʂʂ wp-content plugins dashboard-widget σΟϨΫτϦΛͭ͘Δʂ ิ଍

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2. readme.txtΛͭ͘Δ

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ެࣜʹαϯϓϧ͋Δ

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3. PHPʹίϝϯτΛॻ͘

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wp-content plugins dashboard-widget σΟϨΫτϦͱಉҰ໊ͷPHPϑΝΠϧΛ࡞Δ dashboard-widget.php

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࠷௿ݶ͸͜Ε͚ͩʂ

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ެࣜʹαϯϓϧ͋Δ

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4. ίʔυΛॻ͘ લʹ

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PHPίʔσΟϯάن໿ΛकΖ͏ʂ WordPressʹ͸ίʔσΟϯάن໿ʢ= ॻ͖ํʣ͕͋ΓɺͦΕʹैͬͯ ίʔσΟϯά͢Δඞཁ͕͋Γ·͢ɻॻ͖ํ͕౷Ұ͞Εͨίʔυ͸Մಡ ੑ͕ൈ܈ʹ্͕Γ·͢ɻʢ※ 3ϲ݄લͷࣗ෼͸ଞਓʣ ίʔσΟϯάن໿͸HTML, CSS, JavaScript, PHP͝ͱʹܾ·͍ͬͯ· ͢ɻެࣜͷυΩϡϝϯτʹهड़ํ๏͕ެ։͞Ε͍ͯ·͢ɻ

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ؓ࿩ٳ୊ ※ ݸਓͷײ૝Ͱ͢

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ϑϨʔϜϫʔΫ ίʔσΟϯάن໿ Laravel PSR-2 Symfony PSR-12 (PSR-2ͷ֦ு) ϕʔε CakePHP PSR-2 Yii PSR-2 ओཁPHPϑϨʔϜϫʔΫͷίʔσΟϯάن໿

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PSR PHP Standard Recommendation

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PHP-FIG PHP Framework Interoperability Group

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PHPʹؔ͢Δʰ͓࡞๏ʱΛܾΊ͍ͯΔάϧʔϓ https://www.php- fi g.org

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࠷ۙͷPHP͸΄ͱΜͲɺ   PSR-2͔PSR-12

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WordPress͸ʁ

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ಠࣗ

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ͳΜͰ΍ʁ

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ؓ࿩ٳ୊͓ΘΓ

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4. ίʔυΛॻ͘

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wp-content/themes/some-theme/functions.php

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wp-content/themes/some-theme/functions.php ʘ Χοτ! ʗ

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wp-content/plugins/dashboard-widget/dashboard-widget.php

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ʘ ϖʔετ! ʗ wp-content/plugins/dashboard-widget/dashboard-widget.php

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׬ ऴ ੍࡞ɾஶ࡞ ━━━━━ ⡹⡲⡼

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ิ଍

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wp-content/plugins/tutorial-widget/tutorial-widget.php ҰҙʹͳΔΑ͏ʹʂ ※઀಄ࣙʹϓϥάΠϯ໊ೖΕΔͱΑ͍ ※Ϋϥεͷϝιου໊͸ͷͧ͘

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5. Ξοϓϩʔυ͢Δ લʹ

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ಈ࡞֬ೝͯ͠Ξοϓϩʔυ͍ͨ͠

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wp-env @wordpress/env

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WordPress։ൃ؀ڥΛ  αΫοͱ࡞Δ΍΂ʔ΍ͭ Hi!

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http://localhost:8888  ID: admin  PW: password ΅͘͸yarn೿ʂ

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wp-envͷ͕͜͜ਪ͠ϙΠϯτ • ϩʔΧϧʹ͸npmʢyarnʣͱDocker͕͋Ε͹͍͍ • ෳ਺ϓϩδΣΫτ͋ͬͯ΋ɺผ෺ѻ͍Ͱ͖Δ • ʢ࡞੒࣌͸ʣৗʹ·ͬ͞Β • ͍ͭͰ΋͜ΘͤΔ • Dockerͷϩΰ͔Θ͍͍ • yarn΋͔Θ͍͍ υϠΝ!

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ࣗಈͰΠϯετʔϧࡁΈ ཁΞΫςΟϕʔτ

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5. Ξοϓϩʔυ͢Δ

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wp-content plugins dashboard-widget σΟϨΫτϦΛ·ΔͬͱΞοϓϩʔυʂ dashboard-widget.php

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wp-content themes some-theme functions.phpΛίϐϖͯͨ͠ΒςʔϚ΋ functions.php

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ཁΞΫςΟϕʔτ

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No content

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ࢀߟɿ΅͘ͳΒ

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͜͏࡞Δ

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͕࣌ؒ͋Ε͹આ໌

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Conclusion • functions.phpʹ͸ςʔϚͷΧελϚΠζɺ  ϓϥάΠϯʹ͸αΠτͷΧελϚΠζΛهड़͢Δ • ϓϥάΠϯ࡞੒ʹඞཁͳͷ͸ɺͨͬͨͷ5εςοϓ • ίʔσΟϯάن໿ΛकΖ͏ • άϩʔόϧͳ΋ͷʹ͸Ұҙͳ໊લΛ͚ͭΔ • wp-env͸ਆɻςʔϚ࡞੒ʹ΋࢖͑ΔΑ

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֯ా Ұฏ Web Developer Freelance @ippey_s ͢Έͩɹ͍ͬ΃͍